TryGetEdgeKey
(
Int32 iRowOneBased,
Object [,] aoVertex1NameValues,
Object [,] aoVertex2NameValues,
Object [,] aoThirdColumnValues,
Boolean bGraphIsDirected,
out String sEdgeKey
)
{
Debug.Assert(iRowOneBased >= 1);
Debug.Assert(aoVertex1NameValues != null);
Debug.Assert(aoVertex2NameValues != null);
AssertValid();
sEdgeKey = null;
String sVertex1Name, sVertex2Name;
if (
!ExcelUtil.TryGetNonEmptyStringFromCell(aoVertex1NameValues,
iRowOneBased, 1, out sVertex1Name)
||
!ExcelUtil.TryGetNonEmptyStringFromCell(aoVertex2NameValues,
iRowOneBased, 1, out sVertex2Name)
)
{
return(false);
}
sEdgeKey = EdgeUtil.GetVertexNamePair(sVertex1Name, sVertex2Name,
bGraphIsDirected);
String sThirdColumnValue;
if (
aoThirdColumnValues != null
&&
ExcelUtil.TryGetNonEmptyStringFromCell(aoThirdColumnValues,
iRowOneBased, 1, out sThirdColumnValue)
)
{
sEdgeKey += EdgeUtil.VertexNamePairSeparator;
sEdgeKey += sThirdColumnValue;
}
return(true);
}
TestGetVertexNamePair2()
{
Assert.AreEqual("B\vA", EdgeUtil.GetVertexNamePair("B", "A", true));
}
TestGetVertexNamePair4()
{
Assert.AreEqual("A\vB", EdgeUtil.GetVertexNamePair("B", "A", false));
}
TestGetVertexNamePair()
{
Assert.AreEqual("A\vB", EdgeUtil.GetVertexNamePair("A", "B", true));
}